Casserole Ubi Jalar dengan Topping Gula Merah

Bahan-bahan (8 porsi)

• 3 cups (1 29-ounce can) sweet potatoes, drained
• 1/2 cup melted butter
• 1/3 cup milk
• 3/4 cup cane sugar
• 1 teaspoon vanilla
• 2 beaten eggs
• salt to taste
• 5 tablespoons melted butter
• 2/3 cup brown sugar
• 2/3 cup flour
• 1 cup pecan pieces